10 20 30 40 50 CAACACCUGAGAAAAUC-- C U G A-| A CUGCUA CUGAG AGCAGUCUG GGAU CA AGUGUGCG UG \ GACUC UCGUCAGAC CCUA GU UCACACGC GC U ACUCCACGACUUCCUCUGU A U A CA^ C AAAGUA . 110 100 90 80 70 60